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City of OnkaparingaCommunity profile

Central South District

Five year age groups

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In 2021, the largest age group in the Central South District was 35 to 39 year olds. The group that changed the most since 1996 was 50 to 54 year olds, increasing by 963 people.

The Age Structure of the Central South District provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the Central South District's residential role and function and how it is likely to change in the future.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture the Central South District's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Q:

Derived from the Census question:

'What is the person's date of birth or age?'

Age structure - Five year age groups
Central South District - Total persons (Enumerated)20211996Change
Five year age groups (years)Number%Aberfoyle Park %Number%Aberfoyle Park %1996 to 2021
0 to 41,6206.45.11,0427.88.5+578
5 to 91,8077.16.21,0317.710.2+776
10 to 141,7326.86.21,1758.810.1+557
15 to 191,4935.96.09387.07.6+555
20 to 241,4575.75.48986.75.3+559
25 to 291,7456.95.19627.26.1+783
30 to 341,7967.15.81,0527.99.1+744
35 to 391,9287.66.81,1518.611.2+777
40 to 441,6126.36.41,0748.19.9+538
45 to 491,6456.56.11,0527.97.2+593
50 to 541,5806.26.56174.63.6+963
55 to 591,4675.87.15173.92.6+950
60 to 641,3845.47.24843.61.5+900
65 to 691,2835.16.45334.02.0+750
70 to 741,1424.55.13983.02.2+744
75 to 797603.03.22361.81.2+524
80 to 844801.92.21260.91.1+354
85 and over4681.83.2360.30.7+432
Total population25,399100.0100.013,323100.0100.0+12,075
Source: Australian Bureau of Statistics, Census of Population and Housing 1996 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of the Central South District in 2021 compared to Aberfoyle Park shows that there was a higher proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 20.3% of the population was aged between 0 and 15, and 16.3% were aged 65 years and over, compared with 17.4% and 20.0% respectively for Aberfoyle Park.

The major differences between the age structure of the Central South District and Aberfoyle Park were:

  • A larger percentage of persons aged 25 to 29 (6.9% compared to 5.1%)
  • A smaller percentage of persons aged 60 to 64 (5.4% compared to 7.2%)
  • A smaller percentage of persons aged 85 and over (1.8% compared to 3.2%)
  • A smaller percentage of persons aged 55 to 59 (5.8% compared to 7.1%)

Emerging groups

From 1996 to 2021, Central South District's population increased by 12,076 people (90.6%). This represents an average annual population change of 2.61% per year over the period.

The largest changes in age structure in this area between 1996 and 2021 were in the age groups:

  • 50 to 54 (+963 persons)
  • 55 to 59 (+950 persons)
  • 60 to 64 (+900 persons)
  • 25 to 29 (+783 persons)

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